1
0
Fork 0
mirror of https://github.com/git/git.git synced 2024-11-18 15:04:49 +01:00
Commit graph

1505 commits

Author SHA1 Message Date
Junio C Hamano
4eed30a7cb Merge branch 'tr/merge-edit-guidance' into maint
* tr/merge-edit-guidance:
  merge: add instructions to the commit message when editing
2012-02-27 15:31:50 -08:00
Carlos Martín Nieto
6c41e97557 branch: don't assume the merge filter ref exists
print_ref_list looks up the merge_filter_ref and assumes that a valid
pointer is returned. When the object doesn't exist, it tries to
dereference a NULL pointer. This can be the case when git branch
--merged is given an argument that isn't a valid commit name.

Check whether the lookup returns a NULL pointer and die with an error
if it does. Add a test, while we're at it.

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-27 11:35:33 -08:00
Junio C Hamano
d365a43227 Merge branch 'fc/push-prune'
* fc/push-prune:
  push: add '--prune' option
  remote: refactor code into alloc_delete_ref()
  remote: reorganize check_pattern_match()
  remote: use a local variable in match_push_refs()

Conflicts:
	builtin/push.c
2012-02-26 23:05:45 -08:00
Michał Kiedrowicz
2b34e486bc pack-objects: Fix compilation with NO_PTHREDS
It looks like commit 99fb6e04 (pack-objects: convert to use
parse_options(), 2012-02-01) moved the #ifdef NO_PTHREDS around but
hasn't noticed that the 'arg' variable no longer is available.

Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Acked-by: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26 17:46:00 -08:00
Junio C Hamano
fd1727f5fa Merge branch 'jk/config-include'
* jk/config-include:
  : An assignment to the include.path pseudo-variable causes the named file
  : to be included in-place when Git looks up configuration variables.
  config: add include directive
  config: eliminate config_exclusive_filename
  config: stop using config_exclusive_filename
  config: provide a version of git_config with more options
  config: teach git_config_rename_section a file argument
  config: teach git_config_set_multivar_in_file a default path
  config: copy the return value of prefix_filename
  t1300: add missing &&-chaining
  docs/api-config: minor clarifications
  docs: add a basic description of the config API
2012-02-23 13:30:14 -08:00
Junio C Hamano
bba6123001 Merge branch 'pj/remote-set-branches-usage-fix'
* pj/remote-set-branches-usage-fix:
  remote: fix set-branches usage and documentation

Conflicts:
	builtin/remote.c
2012-02-23 13:30:00 -08:00
Junio C Hamano
d46f476cb2 merge: do not trust fstat(2) too much when checking interactiveness
The heuristic used by "git merge" to decide if it automatically gives an
editor upon clean automerge is to see if the standard input and the
standard output is the same device and is a tty, we are in an interactive
session.  "The same device" test was done by comparing fstat(2) result on
the two file descriptors (and they must match), and we asked isatty() only
for the standard input (we insist that they are the same device and there
is no point asking tty-ness of the standard output).

The stat(2) emulation in the Windows port however does not give a usable
value in the st_ino field, so even if the standard output is connected to
something different from the standard input, "The same device" test may
incorrectly return true. To accomodate it, add another isatty() check for
the standard output stream as well.

Reported-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-23 12:48:26 -08:00
Felipe Contreras
6ddba5e241 push: add '--prune' option
When pushing groups of refs to a remote, there is no simple way to remove
old refs that still exist at the remote that is no longer updated from us.
This will allow us to remove such refs from the remote.

With this change, running this command

 $ git push --prune remote refs/heads/*:refs/remotes/laptop/*

removes refs/remotes/laptop/foo from the remote if we do not have branch
"foo" locally anymore.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-22 18:17:39 -08:00
Junio C Hamano
e147e9693a Merge branch 'cb/receive-pack-keep-errors' into maint
* cb/receive-pack-keep-errors:
  do not override receive-pack errors
2012-02-21 15:14:41 -08:00
Junio C Hamano
c7707a4354 Merge branch 'cb/transfer-no-progress' into maint
* cb/transfer-no-progress:
  push/fetch/clone --no-progress suppresses progress output
2012-02-21 15:14:37 -08:00
Junio C Hamano
0cfba96121 Merge branch 'jk/git-dir-lookup' into maint
* jk/git-dir-lookup:
  standardize and improve lookup rules for external local repos
2012-02-21 15:13:16 -08:00
Junio C Hamano
1e2545c687 Merge branch 'cb/maint-rev-list-verify-object' into maint
* cb/maint-rev-list-verify-object:
  git rev-list: fix invalid typecast
2012-02-21 14:59:35 -08:00
Junio C Hamano
6f61eb2017 Merge branch 'jk/grep-binary-attribute' into maint
* jk/grep-binary-attribute:
  grep: pre-load userdiff drivers when threaded
  grep: load file data after checking binary-ness
  grep: respect diff attributes for binary-ness
  grep: cache userdiff_driver in grep_source
  grep: drop grep_buffer's "name" parameter
  convert git-grep to use grep_source interface
  grep: refactor the concept of "grep source" into an object
  grep: move sha1-reading mutex into low-level code
  grep: make locking flag global
2012-02-21 14:57:05 -08:00
Junio C Hamano
093b194cc5 Merge branch 'nd/diffstat-gramnum' into maint
* nd/diffstat-gramnum:
  Use correct grammar in diffstat summary line
2012-02-21 14:56:39 -08:00
Junio C Hamano
76bdcf0ee3 Merge branch 'tg/tag-points-at'
* tg/tag-points-at:
  builtin/tag.c: Fix a sparse warning
  tag: add --points-at list option
2012-02-20 00:15:28 -08:00
Junio C Hamano
4d9e079e82 Merge branch 'zj/decimal-width'
* zj/decimal-width:
  make lineno_width() from blame reusable for others

Conflicts:
	cache.h
	pager.c
2012-02-20 00:15:11 -08:00
Junio C Hamano
592d051759 Merge branch 'cb/transfer-no-progress'
* cb/transfer-no-progress:
  push/fetch/clone --no-progress suppresses progress output
2012-02-20 00:14:55 -08:00
Junio C Hamano
13dd790bbe Merge branch 'cb/receive-pack-keep-errors'
* cb/receive-pack-keep-errors:
  do not override receive-pack errors
2012-02-20 00:14:50 -08:00
Junio C Hamano
abce5decd8 Merge branch 'cb/maint-rev-list-verify-object'
* cb/maint-rev-list-verify-object:
  git rev-list: fix invalid typecast
2012-02-20 00:14:41 -08:00
Philip Jägenstedt
ca5bc9e61f remote: fix set-branches usage and documentation
The canonical order of command line arguments is always to have dashed
commands before other parameters, but the "git remote set-branches"
subcommand was described to take "name" before an optional "--add".

Signed-off-by: Philip Jägenstedt <philip@foolip.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-19 23:44:38 -08:00
Jeff King
9b25a0b52e config: add include directive
It can be useful to split your ~/.gitconfig across multiple
files. For example, you might have a "main" file which is
used on many machines, but a small set of per-machine
tweaks. Or you may want to make some of your config public
(e.g., clever aliases) while keeping other data back (e.g.,
your name or other identifying information). Or you may want
to include a number of config options in some subset of your
repos without copying and pasting (e.g., you want to
reference them from the .git/config of participating repos).

This patch introduces an include directive for config files.
It looks like:

  [include]
    path = /path/to/file

This is syntactically backwards-compatible with existing git
config parsers (i.e., they will see it as another config
entry and ignore it unless you are looking up include.path).

The implementation provides a "git_config_include" callback
which wraps regular config callbacks. Callers can pass it to
git_config_from_file, and it will transparently follow any
include directives, passing all of the discovered options to
the real callback.

Include directives are turned on automatically for "regular"
git config parsing. This includes calls to git_config, as
well as calls to the "git config" program that do not
specify a single file (e.g., using "-f", "--global", etc).
They are not turned on in other cases, including:

  1. Parsing of other config-like files, like .gitmodules.
     There isn't a real need, and I'd rather be conservative
     and avoid unnecessary incompatibility or confusion.

  2. Reading single files via "git config". This is for two
     reasons:

       a. backwards compatibility with scripts looking at
          config-like files.

       b. inspection of a specific file probably means you
	  care about just what's in that file, not a general
          lookup for "do we have this value anywhere at
	  all". If that is not the case, the caller can
	  always specify "--includes".

  3. Writing files via "git config"; we want to treat
     include.* variables as literal items to be copied (or
     modified), and not expand them. So "git config
     --unset-all foo.bar" would operate _only_ on
     .git/config, not any of its included files (just as it
     also does not operate on ~/.gitconfig).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17 07:59:55 -08:00
Jeff King
270a34438b config: stop using config_exclusive_filename
The git-config command sometimes operates on the default set
of config files (either reading from all, or writing to repo
config), and sometimes operates on a specific file. In the
latter case, we set the magic global config_exclusive_filename,
and the code in config.c does the right thing.

Instead, let's have git-config use the "advanced" variants
of config.c's functions which let it specify an individual
filename (or NULL for the default). This makes the code a
lot more obvious, and fixes two small bugs:

  1. A relative path specified by GIT_CONFIG=foo will look
     in the wrong directory if we have to chdir as part of
     repository setup. We already handle this properly for
     "git config -f foo", but the GIT_CONFIG lookup used
     config_exclusive_filename directly. By dropping to a
     single magic variable, the GIT_CONFIG case now just
     works.

  2. Calling "git config -f foo --edit" would not respect
     core.editor. This is because just before editing, we
     called git_config, which would respect the
     config_exclusive_filename setting, even though this
     particular git_config call was not about looking in the
     user's specified file, but rather about loading actual
     git config, just as any other git program would.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17 07:58:54 -08:00
Jeff King
839de25272 config: copy the return value of prefix_filename
The prefix_filename function returns a pointer to a static
buffer which may be overwritten by subsequent calls. Since
we are going to keep the result around for a while, let's be
sure to duplicate it for safety.

I don't think this can be triggered as a bug in the current
code, but it's a good idea to be defensive, as any resulting
bug would be quite subtle.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17 07:52:41 -08:00
Junio C Hamano
147d071816 Merge branch 'jc/checkout-out-of-unborn' into maint
* jc/checkout-out-of-unborn:
  git checkout -b: allow switching out of an unborn branch
2012-02-16 14:18:06 -08:00
Junio C Hamano
e6d88ca87c Merge branch 'jx/i18n-more-marking' into maint
* jx/i18n-more-marking:
  i18n: format_tracking_info "Your branch is behind" message
  i18n: git-commit whence_s "merge/cherry-pick" message
2012-02-16 13:59:53 -08:00
Zbigniew Jędrzejewski-Szmek
ec7ff5ba27 make lineno_width() from blame reusable for others
builtin/blame.c has a helper function to compute how many columns
we need to show a line-number, whose implementation is reusable as
a more generic helper function to count the number of columns
necessary to show any cardinal number.

Rename it to decimal_width(), move it to pager.c and export it for
use by future callers.

Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-14 16:16:19 -08:00
Junio C Hamano
0364bb135e Merge branch 'jk/git-dir-lookup'
* jk/git-dir-lookup:
  standardize and improve lookup rules for external local repos
2012-02-14 12:57:18 -08:00
Junio C Hamano
10439fc0ef Merge branch 'jk/grep-binary-attribute'
* jk/grep-binary-attribute:
  grep: pre-load userdiff drivers when threaded
  grep: load file data after checking binary-ness
  grep: respect diff attributes for binary-ness
  grep: cache userdiff_driver in grep_source
  grep: drop grep_buffer's "name" parameter
  convert git-grep to use grep_source interface
  grep: refactor the concept of "grep source" into an object
  grep: move sha1-reading mutex into low-level code
  grep: make locking flag global
2012-02-14 12:57:18 -08:00
Junio C Hamano
84f3d6458b Merge branch 'nd/pack-objects-parseopt'
* nd/pack-objects-parseopt:
  pack-objects: convert to use parse_options()
  pack-objects: remove bogus comment
  pack-objects: do not accept "--index-version=version,"
2012-02-14 12:57:18 -08:00
Junio C Hamano
d31f3785dc Merge branch 'mh/war-on-extra-refs'
* mh/war-on-extra-refs:
  refs: remove the extra_refs API
  clone: do not add alternate references to extra_refs
  everything_local(): mark alternate refs as complete
  fetch-pack.c: inline insert_alternate_refs()
  fetch-pack.c: rename some parameters from "path" to "refname"
  clone.c: move more code into the "if (refs)" conditional
  t5700: document a failure of alternates to affect fetch
2012-02-14 12:57:18 -08:00
Junio C Hamano
63d37c3062 Merge branch 'jk/userdiff-config-simplify'
* jk/userdiff-config-simplify:
  drop odd return value semantics from userdiff_config
2012-02-14 12:57:17 -08:00
Junio C Hamano
a95750c4e8 Merge branch 'jk/maint-tag-show-fixes' into maint
* jk/maint-tag-show-fixes:
  tag: do not show non-tag contents with "-n"
  tag: die when listing missing or corrupt objects
  tag: fix output of "tag -n" when errors occur

Conflicts:
	t/t7004-tag.sh
2012-02-13 23:31:27 -08:00
Junio C Hamano
42e283a1bf Merge branch 'jn/merge-no-edit-fix' into maint
* jn/merge-no-edit-fix:
  merge: do not launch an editor on "--no-edit $tag"
2012-02-13 23:24:02 -08:00
Clemens Buchacher
ef7e93d908 do not override receive-pack errors
Receive runs rev-list --verify-objects in order to detect missing
objects. However, such errors are ignored and overridden later.
Instead, consequently ignore all update commands for which an error has
already been detected.

Some tests in t5504 are obsoleted by this change, because invalid
objects are detected even if fsck is not enabled. Instead, they now test
for different error messages depending on whether or not fsck is turned
on. A better fix would be to force a corruption that will be detected by
fsck but not by rev-list.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13 13:29:08 -08:00
Clemens Buchacher
01fdc21f6e push/fetch/clone --no-progress suppresses progress output
By default, progress output is disabled if stderr is not a terminal.
The --progress option can be used to force progress output anyways.
Conversely, --no-progress does not force progress output. In particular,
if stderr is a terminal, progress output is enabled.

This is unintuitive. Change --no-progress to force output off.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13 13:06:53 -08:00
Clemens Buchacher
cb8da70547 git rev-list: fix invalid typecast
git rev-list passes rev_list_info, not rev_list objects. Without this
fix, rev-list enables or disables the --verify-objects option depending
on a read from an undefined memory location.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13 12:49:15 -08:00
Junio C Hamano
4daf6fc837 Merge branch 'js/add-e-submodule-fix' into maint
* js/add-e-submodule-fix:
  add -e: do not show difference in a submodule that is merely dirty
2012-02-13 11:42:18 -08:00
Junio C Hamano
87cb3b82a4 Merge branch 'jc/parse-date-raw' into maint
* jc/parse-date-raw:
  parse_date(): '@' prefix forces git-timestamp
  parse_date(): allow ancient git-timestamp
2012-02-13 11:42:15 -08:00
Junio C Hamano
5a62b531ae Merge branch 'jc/merge-ff-only-stronger-than-signed-merge' into maint
* jc/merge-ff-only-stronger-than-signed-merge:
  merge: do not create a signed tag merge under --ff-only option
2012-02-13 11:42:11 -08:00
Junio C Hamano
8eb865ba8a Merge branch 'jc/branch-desc-typoavoidance' into maint
* jc/branch-desc-typoavoidance:
  branch --edit-description: protect against mistyped branch name
  tests: add write_script helper function
2012-02-13 11:42:07 -08:00
Ramsay Jones
0975a5020e builtin/tag.c: Fix a sparse warning
In particular, sparse complains as follows:

        SP builtin/tag.c
    builtin/tag.c:411:5: warning: symbol 'parse_opt_points_at' was \
        not declared. Should it be static?

In order to suppress the warning, since the parse_opt_points_at()
function does not need to be an external symbol, we simply add the
static modifier to the function definition.

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13 11:12:36 -08:00
Junio C Hamano
aa47ec99d1 Merge branch 'jc/checkout-out-of-unborn'
* jc/checkout-out-of-unborn:
  git checkout -b: allow switching out of an unborn branch
2012-02-12 22:43:45 -08:00
Junio C Hamano
2ef80c2d89 Merge branch 'nd/diffstat-gramnum'
* nd/diffstat-gramnum:
  Use correct grammar in diffstat summary line
2012-02-12 22:43:19 -08:00
Junio C Hamano
a7844827da Merge branch 'nd/cache-tree-api-refactor'
* nd/cache-tree-api-refactor:
  cache-tree: update API to take abitrary flags
2012-02-12 22:42:42 -08:00
Junio C Hamano
1efb73322a Merge branch 'jk/maint-tag-show-fixes'
* jk/maint-tag-show-fixes:
  tag: do not show non-tag contents with "-n"
  tag: die when listing missing or corrupt objects
  tag: fix output of "tag -n" when errors occur

Conflicts:
	t/t7004-tag.sh
2012-02-12 22:42:06 -08:00
Junio C Hamano
5cdc9fbb08 Merge branch 'jn/merge-no-edit-fix'
* jn/merge-no-edit-fix:
  merge: do not launch an editor on "--no-edit $tag"

Conflicts:
	builtin/merge.c
2012-02-12 22:41:51 -08:00
Michael Haggerty
a1287f7540 clone: do not add alternate references to extra_refs
Alternate references are directly (and now, correctly) handled by
fetch-pack, so there is no need to inform fetch-pack about them via
the extra_refs back channel.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-12 19:50:39 -08:00
Michael Haggerty
f257659132 everything_local(): mark alternate refs as complete
Objects in an alternate object database are already available to the
local repository and therefore don't need to be fetched.  So mark them
as complete in everything_local().

This fixes a test in t5700.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-12 19:50:39 -08:00
Michael Haggerty
c41a802fe9 fetch-pack.c: inline insert_alternate_refs()
The logic of the (single) caller is clearer without encapsulating this
one line in a function.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-12 19:50:39 -08:00
Michael Haggerty
65385ef7d4 fetch-pack.c: rename some parameters from "path" to "refname"
The parameters denote reference names, which are no longer 1:1 with
filesystem paths.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-12 19:50:39 -08:00
Michael Haggerty
5b05795c4c clone.c: move more code into the "if (refs)" conditional
The bahavior of a bunch of code before the "if (refs)" statement also
depends on whether refs is set, so make the logic clearer by shifting
this code into the if statement.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-12 19:50:39 -08:00
Junio C Hamano
ee8d52f839 Merge branch 'js/add-e-submodule-fix'
* js/add-e-submodule-fix:
  add -e: do not show difference in a submodule that is merely dirty
2012-02-10 14:08:27 -08:00
Junio C Hamano
3d8bc74127 Merge branch 'jc/parse-date-raw'
* jc/parse-date-raw:
  parse_date(): '@' prefix forces git-timestamp
  parse_date(): allow ancient git-timestamp
2012-02-10 14:08:12 -08:00
Junio C Hamano
fd6abd0c65 Merge branch 'jc/merge-ff-only-stronger-than-signed-merge'
* jc/merge-ff-only-stronger-than-signed-merge:
  merge: do not create a signed tag merge under --ff-only option
2012-02-10 14:08:02 -08:00
Junio C Hamano
d88698ec0b Merge branch 'jc/branch-desc-typoavoidance'
* jc/branch-desc-typoavoidance:
  branch --edit-description: protect against mistyped branch name
2012-02-10 14:07:58 -08:00
Junio C Hamano
184a7aa7bf Merge branch 'tr/grep-l-with-decoration' into maint
* tr/grep-l-with-decoration:
  grep: fix -l/-L interaction with decoration lines
2012-02-10 13:59:02 -08:00
Junio C Hamano
3adab6f3a7 merge: do not launch an editor on "--no-edit $tag"
When the user explicitly asked us not to, don't launch an editor.

But do everything else the same way as the "edit" case, i.e. leave the
comment with verification result in the log template and record the
mergesig in the resulting merge commit for later inspection.

Based on initiail analysis by Jonathan Nieder.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-09 13:30:52 -08:00
Junio C Hamano
31fd8d72f2 tag: do not show non-tag contents with "-n"
"git tag -n" did not check the type of the object it is reading the top n
lines from. At least, avoid showing the beginning of trees and blobs when
dealing with lightweight tags that point at them.

As the payload of a tag and a commit look similar in that they both start
with a header block, which is skipped for the purpose of "-n" output,
followed by human readable text, allow the message of commit objects to be
shown just like the contents of tag objects. This avoids regression for
people who have been using "tag -n" to show the log messages of commits
that are pointed at by lightweight tags.

Test script is from Jeff King.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-08 20:44:39 -08:00
Tom Grennan
ae7706b9ac tag: add --points-at list option
This filters the list for tags of the given object.
Example,

   john$ git tag v1.0-john v1.0
   john$ git tag -l --points-at v1.0
   v1.0-john
   v1.0

Signed-off-by: Tom Grennan <tmgrennan@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-08 19:59:41 -08:00
Nguyễn Thái Ngọc Duy
e859c69b26 cache-tree: update API to take abitrary flags
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07 16:35:43 -08:00
Junio C Hamano
6f1ede8423 Merge branch 'jx/i18n-more-marking'
* jx/i18n-more-marking:
  i18n: format_tracking_info "Your branch is behind" message
  i18n: git-commit whence_s "merge/cherry-pick" message
2012-02-07 12:56:54 -08:00
Jeff King
6680a0874f drop odd return value semantics from userdiff_config
When the userdiff_config function was introduced in be58e70
(diff: unify external diff and funcname parsing code,
2008-10-05), it used a return value convention unlike any
other config callback. Like other callbacks, it used "-1" to
signal error. But it returned "1" to indicate that it found
something, and "0" otherwise; other callbacks simply
returned "0" to indicate that no error occurred.

This distinction was necessary at the time, because the
userdiff namespace overlapped slightly with the color
configuration namespace. So "diff.color.foo" could mean "the
'foo' slot of diff coloring" or "the 'foo' component of the
"color" userdiff driver". Because the color-parsing code
would die on an unknown color slot, we needed the userdiff
code to indicate that it had matched the variable, letting
us bypass the color-parsing code entirely.

Later, in 8b8e862 (ignore unknown color configuration,
2009-12-12), the color-parsing code learned to silently
ignore unknown slots. This means we no longer need to
protect userdiff-matched variables from reaching the
color-parsing code.

We can therefore change the userdiff_config calling
convention to a more normal one. This drops some code from
each caller, which is nice. But more importantly, it reduces
the cognitive load for readers who may wonder why
userdiff_config is unlike every other config callback.

There's no need to add a new test confirming that this
works; t4020 already contains a test that sets
diff.color.external.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07 10:44:54 -08:00
Johannes Schindelin
701825de23 add -e: do not show difference in a submodule that is merely dirty
When the HEAD of the submodule matches what is recorded in the index of
the superproject, and it has local changes or untracked files, the patch
offered by "git add -e" for editing shows a diff like this:

    diff --git a/submodule b/submodule
    <header>
    -deadbeef...
    +deadbeef...-dirty

Because applying such a patch has no effect to the index, this is a
useless noise.  Generate the patch with IGNORE_DIRTY_SUBMODULES flag to
prevent such a change from getting reported.

This patch also loses the "-dirty" suffix from the output when the HEAD of
the submodule is different from what is in the index of the superproject.
As such dirtiness expressed by the suffix does not affect the result of
the patch application at all, there is no information lost if we remove
it. The user could still run "git status" before "git add -e" if s/he
cares about the dirtiness.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07 08:59:40 -08:00
Junio C Hamano
abe199808c git checkout -b: allow switching out of an unborn branch
Running "git checkout -b another" immediately after "git init" when you do
not even have a commit on 'master' fails with:

    $ git checkout -b another
    fatal: You are on a branch yet to be born

This is unnecessary, if we redefine "git checkout -b $name" that does not
take any $start_point (which has to be a commit) as "I want to check out a
new branch $name from the state I am in".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-06 16:32:15 -08:00
Jeff King
fb630e048c tag: die when listing missing or corrupt objects
We don't usually bother looking at tagged objects at all
when listing. However, if "-n" is specified, we open the
objects to read the annotations of the tags.  If we fail to
read an object, or if the object has zero length, we simply
silently return.

The first case is an indication of a broken or corrupt repo,
and we should notify the user of the error.

The second case is OK to silently ignore; however, the
existing code leaked the buffer returned by read_sha1_file.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-06 10:00:51 -08:00
Jeff King
ca51699961 tag: fix output of "tag -n" when errors occur
When "git tag" is instructed to print lines from annotated
tags via "-n", it first prints the tag name, then attempts
to parse and print the lines of the tag object, and then
finally adds a trailing newline.

If an error occurs, we return early from the function and
never print the newline, screwing up the output for the next
tag. Let's factor the line-printing into its own function so
we can manage the early returns better, and make sure that
we always terminate the line.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-06 10:00:42 -08:00
Junio C Hamano
4802997c75 Merge branch 'cb/push-quiet' into maint
* cb/push-quiet:
  t5541: avoid TAP test miscounting
  fix push --quiet: add 'quiet' capability to receive-pack
  server_supports(): parse feature list more carefully
2012-02-05 23:58:42 -08:00
Junio C Hamano
c2d17ba3db branch --edit-description: protect against mistyped branch name
It is very easy to mistype the branch name when editing its description,
e.g.

	$ git checkout -b my-topic master
	: work work work
	: now we are at a good point to switch working something else
	$ git checkout master
	: ah, let's write it down before we forget what we were doing
	$ git branch --edit-description my-tpoic

The command does not notice that branch 'my-tpoic' does not exist.  It is
not lost (it becomes description of an unborn my-tpoic branch), but is not
very useful.  So detect such a case and error out to reduce the grief
factor from this common mistake.

This incidentally also errors out --edit-description when the HEAD points
at an unborn branch (immediately after "init", or "checkout --orphan"),
because at that point, you do not even have any commit that is part of
your history and there is no point in describing how this particular
branch is different from the branch it forked off of, which is the useful
bit of information the branch description is designed to capture.

We may want to special case the unborn case later, but that is outside the
scope of this patch to prevent more common mistakes before 1.7.9 series
gains too much widespread use.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-05 17:28:03 -08:00
Junio C Hamano
b5c9f1c1b0 merge: do not create a signed tag merge under --ff-only option
Starting at release v1.7.9, if you ask to merge a signed tag, "git merge"
always creates a merge commit, even when the tag points at a commit that
happens to be a descendant of your current commit.

Unfortunately, this interacts rather badly for people who use --ff-only to
make sure that their branch is free of local developments. It used to be
possible to say:

	$ git checkout -b frotz v1.7.9~30
        $ git merge --ff-only v1.7.9

and expect that the resulting tip of frotz branch matches v1.7.9^0 (aka
the commit tagged as v1.7.9), but this fails with the updated Git with:

	fatal: Not possible to fast-forward, aborting.

because a merge that merges v1.7.9 tag to v1.7.9~30 cannot be created by
fast forwarding.

We could teach users that now they have to do

	$ git merge --ff-only v1.7.9^0

but it is far more pleasant for users if we DWIMmed this ourselves.

When an integrator pulls in a topic from a lieutenant via a signed tag,
even when the work done by the lieutenant happens to fast-forward, the
integrator wants to have a merge record, so the integrator will not be
asking for --ff-only when running "git pull" in such a case. Therefore,
this change should not regress the support for the use case v1.7.9 wanted
to add.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-05 16:30:26 -08:00
Nguyễn Thái Ngọc Duy
7f814632f5 Use correct grammar in diffstat summary line
"git diff --stat" and "git apply --stat" now learn to print the line
"%d files changed, %d insertions(+), %d deletions(-)" in singular form
whenever applicable. "0 insertions" and "0 deletions" are also omitted
unless they are both zero.

This matches how versions of "diffstat" that are not prehistoric produced
their output, and also makes this line translatable.

[jc: with help from Thomas Dickey in archaeology of "diffstat"]
[jc: squashed Jonathan's updates to illustrations in tutorials and a test]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-03 23:19:42 -08:00
Junio C Hamano
2c733fb24c parse_date(): '@' prefix forces git-timestamp
The only place that the issue this series addresses was observed
where we read "cat-file commit" output and put it in GIT_AUTHOR_DATE
in order to replay a commit with an ancient timestamp.

With the previous patch alone, "git commit --date='20100917 +0900'"
can be misinterpreted to mean an ancient timestamp, not September in
year 2010.  Guard this codepath by requring an extra '@' in front of
the raw git timestamp on the parsing side. This of course needs to
be compensated by updating get_author_ident_from_commit and the code
for "git commit --amend" to prepend '@' to the string read from the
existing commit in the GIT_AUTHOR_DATE environment variable.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-03 23:11:32 -08:00
Jeff King
b3256eb8b3 standardize and improve lookup rules for external local repos
When you specify a local repository on the command line of
clone, ls-remote, upload-pack, receive-pack, or upload-archive,
or in a request to git-daemon, we perform a little bit of
lookup magic, doing things like looking in working trees for
.git directories and appending ".git" for bare repos.

For clone, this magic happens in get_repo_path. For
everything else, it happens in enter_repo. In both cases,
there are some ambiguous or confusing cases that aren't
handled well, and there is one case that is not handled the
same by both methods.

This patch tries to provide (and test!) standard, sensible
lookup rules for both code paths. The intended changes are:

  1. When looking up "foo", we have always preferred
     a working tree "foo" (containing "foo/.git" over the
     bare "foo.git". But we did not prefer a bare "foo" over
     "foo.git". With this patch, we do so.

  2. We would select directories that existed but didn't
     actually look like git repositories. With this patch,
     we make sure a selected directory looks like a git
     repo. Not only is this more sensible in general, but it
     will help anybody who is negatively affected by change
     (1) negatively (e.g., if they had "foo.git" next to its
     separate work tree "foo", and expect to keep finding
     "foo.git" when they reference "foo").

  3. The enter_repo code path would, given "foo", look for
     "foo.git/.git" (i.e., do the ".git" append magic even
     for a repo with working tree). The clone code path did
     not; with this patch, they now behave the same.

In the unlikely case of a working tree overlaying a bare
repo (i.e., a ".git" directory _inside_ a bare repo), we
continue to treat it as a working tree (prefering the
"inner" .git over the bare repo). This is mainly because the
combination seems nonsensical, and I'd rather stick with
existing behavior on the off chance that somebody is relying
on it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-02 16:41:55 -08:00
Jeff King
9dd5245c10 grep: pre-load userdiff drivers when threaded
The low-level grep_source code will automatically load the
userdiff driver to see whether a file is binary. However,
when we are threaded, it will load the drivers in a
non-deterministic order, handling each one as its assigned
thread happens to be scheduled.

Meanwhile, the attribute lookup code (which underlies the
userdiff driver lookup) is optimized to handle paths in
sequential order (because they tend to share the same
gitattributes files). Multi-threading the lookups destroys
the locality and makes this optimization less effective.

We can fix this by pre-loading the userdiff driver in the
main thread, before we hand off the file to a worker thread.
My best-of-five for "git grep foo" on the linux-2.6
repository went from:

  real    0m0.391s
  user    0m1.708s
  sys     0m0.584s

to:

  real    0m0.360s
  user    0m1.576s
  sys     0m0.572s

Not a huge speedup, but it's quite easy to do. The only
trick is that we shouldn't perform this optimization if "-a"
was used, in which case we won't bother checking whether
the files are binary at all.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-02 10:36:08 -08:00
Jeff King
8f24a6323e convert git-grep to use grep_source interface
The grep_source interface (as opposed to grep_buffer) will
eventually gives us a richer interface for telling the
low-level grep code about our buffers. Eventually this will
lead to things like better binary-file handling. For now, it
lets us drop a lot of now-redundant code.

The conversion is mostly straight-forward. One thing to note
is that the memory ownership rules for "struct grep_source"
are different than the "struct work_item" found here (the
former will copy things like the filename, rather than
taking ownership). Therefore you will also see some slight
tweaking of when filename buffers are released.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-02 10:36:08 -08:00
Jeff King
b3aeb285d0 grep: move sha1-reading mutex into low-level code
The multi-threaded git-grep code needs to serialize access
to the thread-unsafe read_sha1_file call. It does this with
a mutex that is local to builtin/grep.c.

Let's instead push this down into grep.c, where it can be
used by both builtin/grep.c and grep.c. This will let us
safely teach the low-level grep.c code tricks that involve
reading from the object db.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-02 10:36:07 -08:00
Jeff King
78db6ea9dc grep: make locking flag global
The low-level grep code traditionally didn't care about
threading, as it doesn't do any threading itself and didn't
call out to other non-thread-safe code.  That changed with
0579f91 (grep: enable threading with -p and -W using lazy
attribute lookup, 2011-12-12), which pushed the lookup of
funcname attributes (which is not thread-safe) into the
low-level grep code.

As a result, the low-level code learned about a new global
"grep_attr_mutex" to serialize access to the attribute code.
A multi-threaded caller (e.g., builtin/grep.c) is expected
to initialize the mutex and set "use_threads" in the
grep_opt structure. The low-level code only uses the lock if
use_threads is set.

However, putting the use_threads flag into the grep_opt
struct is not the most logical place. Whether threading is
in use is not something that matters for each call to
grep_buffer, but is instead global to the whole program
(i.e., if any thread is doing multi-threaded grep, every
other thread, even if it thinks it is doing its own
single-threaded grep, would need to use the locking).  In
practice, this distinction isn't a problem for us, because
the only user of multi-threaded grep is "git-grep", which
does nothing except call grep.

This patch turns the opt->use_threads flag into a global
flag. More important than the nit-picking semantic argument
above is that this means that the locking functions don't
need to actually have access to a grep_opt to know whether
to lock. Which in turn can make adding new locks simpler, as
we don't need to pass around a grep_opt.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-02 10:36:07 -08:00
Jiang Xin
be39de2b26 i18n: git-commit whence_s "merge/cherry-pick" message
Mark the "merge/cherry-pick" messages in whence_s for translation.
These messages returned from whence_s function are used as argument
to build other messages.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-01 15:46:24 -08:00
Nguyễn Thái Ngọc Duy
99fb6e04cb pack-objects: convert to use parse_options()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-01 13:05:00 -08:00
Nguyễn Thái Ngọc Duy
3a2ec52e99 pack-objects: remove bogus comment
The comment was introduced in b5d97e6 (pack-objects: run rev-list
equivalent internally. - 2006-09-04), stating that

git pack-objects [options] base-name <refs...>

is acceptable and refs should be passed into rev-list. But that's not
true. All arguments after base-name are ignored.

Remove the comment and reject this syntax (i.e. no more arguments after
base name)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-01 13:04:11 -08:00
Nguyễn Thái Ngọc Duy
6a301345a5 pack-objects: do not accept "--index-version=version,"
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-01 13:03:46 -08:00
Junio C Hamano
873ce7c8d5 Merge branch 'tr/merge-edit-guidance'
* tr/merge-edit-guidance:
  merge: add instructions to the commit message when editing
2012-01-31 22:31:03 -08:00
Junio C Hamano
af6b37fab1 Merge branch 'jc/pull-signed-tag'
* jc/pull-signed-tag:
  merge: use editor by default in interactive sessions

Conflicts:
	Documentation/merge-options.txt
2012-01-31 22:30:42 -08:00
Junio C Hamano
5ce2b97d2c Merge branch 'nd/clone-detached'
* nd/clone-detached:
  clone: fix up delay cloning conditions
  push: do not let configured foreign-vcs permanently clobbered
  clone: print advice on checking out detached HEAD
  clone: allow --branch to take a tag
  clone: refuse to clone if --branch points to bogus ref
  clone: --branch=<branch> always means refs/heads/<branch>
  clone: delay cloning until after remote HEAD checking
  clone: factor out remote ref writing
  clone: factor out HEAD update code
  clone: factor out checkout code
  clone: write detached HEAD in bare repositories
  t5601: add missing && cascade
2012-01-31 22:24:23 -08:00
Junio C Hamano
3e9e416593 Merge branch 'tr/grep-l-with-decoration'
* tr/grep-l-with-decoration:
  grep: fix -l/-L interaction with decoration lines
2012-01-31 22:01:15 -08:00
Junio C Hamano
7010146f90 Merge branch 'rr/sequencer'
* rr/sequencer:
  sequencer: factor code out of revert builtin
  revert: prepare to move replay_action to header

Conflicts:
	builtin/revert.c
2012-01-31 22:01:14 -08:00
Junio C Hamano
87a23e77c6 Merge branch 'jc/advise-i18n'
* jc/advise-i18n:
  i18n of multi-line advice messages
2012-01-31 22:01:14 -08:00
Thomas Rast
f26af3fcbc merge: add instructions to the commit message when editing
Before f824628 (merge: use editor by default in interactive sessions,
2012-01-10), git-merge only started an editor if the user explicitly
asked for it with --edit.  Thus it seemed unlikely that the user would
need extra guidance.

After f824628 the _normal_ thing is to start an editor.  Give at least
an indication of why we are doing it.

The sentence about justification is one of the few things about
standard git that are not agnostic to the workflow that the user
chose.  However, f824628 was proposed by Linus specifically to
discourage users from merging unrelated upstream progress into topic
branches.  So we may as well take another step in the same direction.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-31 12:04:38 -08:00
Junio C Hamano
5a304dd303 Merge branch 'nd/index-pack-no-recurse'
* nd/index-pack-no-recurse:
  index-pack: eliminate unlimited recursion in get_base_data()
  index-pack: eliminate recursion in find_unresolved_deltas
  Eliminate recursion in setting/clearing marks in commit list
2012-01-29 13:18:56 -08:00
Junio C Hamano
a734e7ef6c Merge branch 'mh/ref-clone-without-extra-refs'
* mh/ref-clone-without-extra-refs:
  write_remote_refs(): create packed (rather than extra) refs
  add_packed_ref(): new function in the refs API.
  ref_array: keep track of whether references are sorted
  pack_refs(): remove redundant check
2012-01-29 13:18:53 -08:00
Junio C Hamano
bff64a9cda Merge branch 'tr/maint-mailinfo'
* tr/maint-mailinfo:
  mailinfo: with -b, keep space after [foo]
  am: learn passing -b to mailinfo

Conflicts:
	git-am.sh
2012-01-29 13:18:53 -08:00
Junio C Hamano
02a20d1038 Merge branch 'nd/maint-refname-in-hierarchy-check'
* nd/maint-refname-in-hierarchy-check:
  Fix incorrect ref namespace check
2012-01-29 13:18:51 -08:00
Junio C Hamano
7b718fbf17 Merge branch 'cb/push-quiet'
* cb/push-quiet:
  t5541: avoid TAP test miscounting
  fix push --quiet: add 'quiet' capability to receive-pack
  server_supports(): parse feature list more carefully
2012-01-29 13:18:50 -08:00
Junio C Hamano
7859f533e2 Merge branch 'nd/clone-single-branch'
* nd/clone-single-branch:
  clone: add --single-branch to fetch only one branch
2012-01-29 13:18:50 -08:00
Nguyễn Thái Ngọc Duy
9049816140 clone: fix up delay cloning conditions
6f48d39 (clone: delay cloning until after remote HEAD checking -
2012-01-16) allows us to perform some checks on remote refs before the
actual cloning happens. But not all transport types support
this. Remote helper with "import" capability will not return complete
ref information until fetch is performed and therefore the clone cannot
be delayed.

foreign_vcs field in struct remote was used to detect this kind of transport
and save the result. This is a mistake because foreign_vcs is designed
to override url-based transport detection. As a result, if the same
"struct transport *" object is used on many different urls and one of
them attached remote transport, the following urls will be mistakenly
attached to the same transport. This fault is worked around by dad0b3d
(push: do not let configured foreign-vcs permanently clobbered -
2012-01-23)

To fix this, detect incomplete refs from transport_get_remote_refs()
by SHA-1. Incomplete ones must have null SHA-1 (*). Then revert
changes related to foreign_cvs field in 6f48d39 and dad0b3d.

A good thing from this change is that cloning smart http transport can
also be delayed. Earlier it falls into the same category "remote
transport, no delay".

(*) Theoretically if one of the remote refs happens to have null SHA-1,
it will trigger false alarm and the clone will not be delayed. But
that chance may be too small for us to pay attention to.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-24 10:05:15 -08:00
Junio C Hamano
dad0b3d8e5 push: do not let configured foreign-vcs permanently clobbered
Recently, 6f48d39 (clone: delay cloning until after remote HEAD checking,
2012-01-16) tried to record if a remote helper needs to be called after
parsing the remote when transport_get() is called, by overwriting the
field meant to store the configured remote helper name in the remote
structure.

This is OK when a remote represents a single remote repository, but fails
miserably when pushing to locations with multiple URLs, like this:

    $ cat .git/config
    [remote "origin"]
        url = https://code.google.com/p/git-htmldocs/
        url = github.com:gitster/git-htmldocs.git
        push = refs/heads/master:refs/heads/master
    $ git push

The second url that is supposed to use the git-over-ssh transport
mistakenly use https:// and fails with:

    error: Couldn't resolve host 'github.com:gitster' while accessing
    github.com:gitster/git-htmldocs.git/info/refs
    fatal: HTTP request failed

The right solution would probably be to dedicate a separate field to store
the detected external helper to be used, which is valid only during a
single use of transport until it is disconnected, instead of overwriting
foreign_vcs field, but in the meantime, this band-aid should suffice.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-23 16:38:42 -08:00
Junio C Hamano
f8246281af merge: use editor by default in interactive sessions
Traditionally, a cleanly resolved merge was committed by "git merge" using
the auto-generated merge commit log message without invoking the editor.

After 5 years of use in the field, it turns out that people perform too
many unjustified merges of the upstream history into their topic branches.
These merges are not just useless, but they are often not explained well,
and making the end result unreadable when it gets time for merging their
history back to their upstream.

Earlier we added the "--edit" option to the command, so that people can
edit the log message to explain and justify their merge commits. Let's
take it one step further and spawn the editor by default when we are in an
interactive session (i.e. the standard input and the standard output are
pointing at the same tty device).

There may be existing scripts that leave the standard input and the
standard output of the "git merge" connected to whatever environment the
scripts were started, and such invocation might trigger the above
"interactive session" heuristics.  GIT_MERGE_AUTOEDIT environment variable
can be set to "no" at the beginning of such scripts to use the historical
behaviour while the script runs.

Note that this backward compatibility is meant only for scripts, and we
deliberately do *not* support "merge.edit = yes/no/auto" configuration
option to allow people to keep the historical behaviour.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-23 14:34:55 -08:00
Albert Yale
50dd0f2fd9 grep: fix -l/-L interaction with decoration lines
In threaded mode, git-grep emits file breaks (enabled with context, -W
and --break) into the accumulation buffers even if they are not
required.  The output collection thread then uses skip_first_line to
skip the first such line in the output, which would otherwise be at
the very top.

This is wrong when the user also specified -l/-L/-c, in which case
every line is relevant.  While arguably giving these options together
doesn't make any sense, git-grep has always quietly accepted it.  So
do not skip anything in these cases.

Signed-off-by: Albert Yale <surfingalbert@gmail.com>
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-23 10:49:34 -08:00
Michael Haggerty
39ef7fae9a write_remote_refs(): create packed (rather than extra) refs
write_remote_refs() creates new packed refs from references obtained
from the remote repository, which is "out of thin air" as far as the
local repository is concerned.  Previously it did this by creating
"extra" refs, then calling pack_refs() to bake them into the
packed-refs file.  Instead, create packed refs (in the packed
reference cache) directly, then call pack_refs().

Aside from being more logical, this is another step towards removing
extra refs entirely.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-17 11:55:04 -08:00
Nguyễn Thái Ngọc Duy
2857093ba1 clone: print advice on checking out detached HEAD
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-16 16:26:27 -08:00
Nguyễn Thái Ngọc Duy
5a7d5b683f clone: allow --branch to take a tag
Because a tag ref cannot be put to HEAD, HEAD will become detached.
This is consistent with "git checkout <tag>".

This is mostly useful in shallow clone, where it allows you to clone a
tag in addtion to branches.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-16 16:26:26 -08:00